Layers of the Atmosphere

Front

What gas makes up 21% of the atmosphere?

Back

Oxygen is the gas that makes up 21% of the Earth's atmosphere.

Front

What is the layer of the atmosphere furthest from Earth's surface?

Back

The exosphere is the layer of the atmosphere that is furthest from the Earth's surface.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the process by which certain gases in the atmosphere trap heat, keeping the Earth warm.

Front

Which layer of the atmosphere is the coldest?

Back

The mesosphere is the coldest layer of the atmosphere.

Front

Which layer of the atmosphere is most important to a meteorologist?

Back

The troposphere is the layer of the atmosphere most important to meteorologists, as it contains weather.

Front

What is the troposphere?

Back

The troposphere is the lowest layer of the atmosphere, where weather occurs and where we live.

Front

What is the stratosphere?

Back

The stratosphere is the layer above the troposphere, containing the ozone layer.

Front

What is the mesosphere?

Back

The mesosphere is the layer of the atmosphere above the stratosphere, known for being the coldest layer.

Front

What is the thermosphere?

Back

The thermosphere is the layer of the atmosphere above the mesosphere, characterized by high temperatures.

Front

What is the ozone layer?

Back

The ozone layer is a region in the stratosphere that absorbs most of the Sun's harmful ultraviolet radiation.